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This video of an octopus squeezing its large, rubbery body through a one-inch hole in a plexiglas box is positively eerie and entrancing. Octopi are freaking amazing, whether they're running on two legs and impersonating a crab or strangling sharks or escaping from their cages in feats of mechanical derring-do.
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I write books. My latest is a YA science fiction novel called Homeland (it's the sequel to Little Brother). More books: Rapture of the Nerds (a novel, with Charlie Stross); With a Little Help (short stories); and The Great Big Beautiful Tomorrow (novella and nonfic). I speak all over the place and I tweet and tumble, too.